stupid play?

[Alobar]

Party Poker 3/6 Hold'em (10 handed)

Preflop: Hero is MP3 with 8[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/club.gif[/img].
UTG folds, UTG+1 calls, UTG+2 folds, MP1 folds, MP2 calls, Hero calls, CO folds, Button calls, SB completes, BB checks.

Flop: (6 SB) 7[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/club.gif[/img] <font color="blue">(6 players) </font>
SB checks, BB checks, UTG+1 checks, MP2 checks, <font color="CC3333">Hero bets</font>, Button folds, SB calls, BB folds, UTG+1 folds, MP2 folds.

Turn: (4 BB) 7[img]/images/graemlins/heart.gif[/img] <font color="blue">(2 players) </font>
<font color="CC3333">SB bets</font>, <font color="CC3333">Hero raises</font>, <font color="CC3333">SB 3-bets</font>, Hero folds.

Final Pot: 9 BB
<font color="#990066">Main Pot: 8 BB, won by SB.</font>
<font color="#990066">Pot 2: 1 BB, overbet by SB.</font>